Knee replacement surgery

Do I need a knee replacement?

You’ll only need a knee replacement if your knee gives you pain, stiffness, instability or loss of function that affects your daily life and activities. Read more

What are the different types of knee replacement surgery?

The four main types of knee replacement surgery are total knee replacement; unicompartmental (partial) knee replacement; kneecap replacement (patellofemoral arthroplasty); and complex or revision knee replacement. Read more

What are the possible advantages of knee replacement surgery?

Possible advantages of knee replacement surgery can include freedom from pain and improved mobility and quality of life. Read more

What are the possible disadvantages of a knee replacement?

Possible disadvantages of knee replacement surgery can include replacement joints wearing out over time, difficulties with some movements and numbness. Read more

What are the alternatives to knee replacement surgery?

Most doctors recommend non-surgical treatments before considering a knee replacement, including weight loss, exercise and medication. Read more

How should I prepare for knee replacement surgery?

Before you're admitted to hospital you should have a chance to discuss anything you're unsure about, how you'll manage at home after surgery and any other aspects of your health that may affect your operation. Read more

What will my recovery from knee replacement surgery involve?

Most people can leave hospital between one and four days after having knee replacement surgery. You'll need to make arrangements for wound care and you'll usually have follow-up appointments from six weeks after your operation. Read more

Looking after your knee replacement

Your knee will continue to improve for as much as two years after your operation. You'll need to restore your muscle strength and pay attention to any stiffness, pain or infection. Read more

What about exercise following a knee replacement?

Exercise is an important part of the recovery process and a variety of sports should be possible although contact sports aren't usually recommended after a knee replacement operation. Read more

What are the possible complications of a knee replacement?

How long will the new knee joint last?

Knee replacements last for at least 20 years in 80–90% of patients. In more active patients the joints may wear out more quickly. However, it’s usually possible to have further knee replacements. Read more

Research and new developments for knee replacement surgery

Studies we're funding in the field of knee replacement surgery, include research aimed at helping patients to make informed decisions. Read more

For more information, go to www.arthritisresearchuk.org.Arthritis Research UK fund research into the cause, treatment and cure of arthritis. You can support Arthritis Research UK by volunteering, donating or visiting our shops.